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Transport WR31 as Modbus Slave

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I am planning to measure pressure using GPIO and send the data to server(as master) whenever it will be requested using cellular SIM. I can able to establish communication between SIM and server (Modbus-TCP), my server is Master and router is acting as slave, but I can not able to poll the GPIO values.
asked Nov 2, 2020 in Modbus and Industrial Automation by mharsh02 New to the Community (0 points)

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